CVE-2026-127277

validatingZero is analyzing and reversing it now.
no check availablenot proven exploitable
cve.orgpublic pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).kevAttacks confirmed in the real world.
Linksys EA8100 1.0.3.216940
CWE-665 Improper Initialization
ETK-2026-4334Zero's internal tracking ID, independent of the CVE number., permanent identifier
–running
startingcurrent stage
timeline
0 = cve.org publication
trigger signal (cve.org) +0h
0
+2h
+4h
+6h
+8h
+10h
+12h

description

Linksys EA8100 firmware 1.0.3.216940 is affected in the SMB Service initialization script. A remote attacker may trigger improper initialization by manipulating an SMB-related argument when the affected service is reachable.

Still under analysis: more detail becomes available as the pipeline runs.

mitigation

Disable SMB Service if it is not required, or restrict access to trusted internal networks. No fixed version is recorded; monitor Linksys support channels for an updated firmware release.

check
building now
exploit
not yet
automationDeterministic: a check that runs on its own, the same request on every target. Contextual: an agentic technique that needs to be applied per target, for bugs that depend on contextual flows.
–
auth requiredWhether an attacker needs an account first, based on the CVSS vector's Privileges Required.
no
EPSSEstimate of the chance this CVE is exploited in the next 30 days. Refreshed daily.
–
agent run time
–
cve.org record, t = 0The moment cve.org publishes the CVE in full.
2026-11-13 00:30Z
Δ to public pocExploit code has been published by someone. Source signals can also carry a PoC (Proof of Concept).
–
Δ to kevAttacks confirmed in the real world.
–

outcome

Run in progress: no artifact yet.

source signals

Public signals that triggered or updated the pipeline. These are inputs for the deltas above.

  1. 2026-11-13 00:30Z
    cve_org: trigger signal, started the run

this entry in the feed

GET /api/v1/feed/CVE-2026-127277

{
  "etk_id": "ETK-2026-4334",
  "cve_id": "CVE-2026-127277",
  "display_id": "CVE-2026-127277",
  "ghsa_id": null,
  "euvd_id": null,
  "status": "in_pipeline",
  "anchor_state": "anchored",
  "title": "Improper initialization in Linksys EA8100 SMB Service",
  "summary": "Linksys EA8100 firmware 1.0.3.216940 is affected in the SMB Service initialization script. A remote attacker may trigger improper initialization by manipulating an SMB-related argument when the affected service is reachable.",
  "mitigation": "Disable SMB Service if it is not required, or restrict access to trusted internal networks. No fixed version is recorded; monitor Linksys support channels for an updated firmware release.",
  "vendor": "Linksys",
  "product": "EA8100",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "1.0.3.216940"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "EA8100",
      "purl": null
    }
  ],
  "cwes": [
    665
  ],
  "cvss_score": 10,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": null,
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": null,
  "t0_at": "2026-11-13T00:30:22.324000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-11-13T00:30:22.324000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-11-13T00:30:22.324000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-127277"
    }
  }
}

published 2026-11-13 00:49Z
last change 2026-11-13 00:49Z

Need the technical details behind an entry?

Every entry here shows what we attempted and when. The technical details, the generated exploit that fired it and the evidence behind the verdict are not public. Tell us about your use case and we’ll get back to you about extended API access.